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Narsarsukite
Narsarsukite

Vishnevite
Vishnevite



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Narsarsukite
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Vishnevite

Narsarsukite and Vishnevite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.610-1.6471.490-1.507
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Hexagonal
1.8 Birefringence
0.0210.002-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Narsarsukite and Vishnevite Optic Character

Narsarsukite and Vishnevite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Narsarsukite and Vishnevite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Narsarsukite and Vishnevite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Narsarsukite and Vishnevite Transparency

Similar to their colors, Narsarsukite and Vishnevite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Narsarsukite is Translucent and Transparent while Narsarsukite is Translucent and Transparent in appearance.